Slow dio speed

Hi All;
 I'm using a NI pci-dio96, the fastest I get this card to read and write is about 20kHz. Under windows I can get easily 200Khz. Does anyone have ideas about how to speed up DIO operations under comedi? Any dieas of where the big slow down is?
Pat

Pat Ford

Realtime systems developer
Trisonic windtunnel,

Institute of Aerospace Research | Institut de recherche aérospatiale
National Research Council, CANADA | Conseil national de recherches, CANADA
Ottawa, Ontario K1A 0R6 | Ottawa (Ontario) K1A 0R6
(613) 998-3218 
 

Received on 2007-06-05Z12:40:46